sulcus

[ suhl-kuhs ]

noun

, plural sul·ci [suhl, -sahy].

1. a furrow or groove.
2. Anatomy. a groove or fissure, especially a fissure between two convolutions of the brain.

sulcus

/ ˈsʌlkəs /

noun

1. a linear groove, furrow, or slight depression
2. any of the narrow grooves on the surface of the brain that mark the cerebral convolutions Compare fissure

Other Words From

• sub·sulcus noun plural subsulci

Word History and Origins

Origin of sulcus¹

1655–65; Latin: furrow

Word History and Origins

Origin of sulcus¹

C17: from Latin

Example Sentences

It is then carried across the sulcus and is made to emerge through the opposite lip of the cervix.

From Project Gutenberg

Median line with a sulcus on each side; central area quadrate.

From Project Gutenberg

The single median sulcus on the anterior face of each incisor is typical of the genus Cratogeomys.

From Project Gutenberg

It is rather robust, very much recurved and grooved by a deep vertical sulcus upon its antero-internal face.

From Project Gutenberg

Sulcus longitudinalis in superiore latere perforatus serie punctorum.

From Project Gutenberg